Composite gear design at igus is proving that lightweight, smart and maintenance-free solutions are the future of industrial ...

There's a lot to discuss about the new XT M8200 Di2 group from Shimano, but one thing is for sure: it's worth the upgrade.

Abstract: Current speed measurement methods for ultrasonic motors (USMs) are typically suitable for steady-state operation. Considering the fast dynamic response characteristics of ultrasonic motors, ...